Dale Timothy White
В роли: Self - Host (как Tim White)

Robert Hastings
В роли: Self - UFO Investigator (segment "Deliberate Deception") (как Robert L. Hastings)

Robert Jacobs
В роли: Self - Lieutenant, USAF (segment "Deliberate Deception") (как Dr. Robert M. Jacobs)

Carla Wohl
В роли: Self - Correspondent (segment "A Psychic's Vision")

Carol Everett
В роли: Self - Psychic Healer (segment "A Psychic's Vision")

Yoshio Machi
В роли: Self - Professor of Electronics, Tokyo Denki University (segment "A Psychic's Vision") (как Dr. Yoshio Machi)

Jay Hyrons
В роли: Self - Consulted Carol Everett (segment "A Psychic's Vision")

Ken Wilkinson
В роли: Self - Consulted Carol Everett (segment "A Psychic's Vision")

James Baum
В роли: Self - Landowner, Maple Valley WA (segment "In the News")

Elizabeth Russell
В роли: Self - Visited Socorro Landing Site (segment "In the News")

Marc Postman
В роли: Self - HST Data Archive Branch Chief (segment "In the News")

Mark Dickinson
В роли: Self - Hubble Postdoctoral Fellow (segment "In the News")

Andrew Fruchter
В роли: Self - WFPC Instrument Scientist (segment "In the News")

Jaime Maussan
В роли: Self - Journalist & UFO Investigator (segment "Mausson's Mission")

Miguel Rolon
В роли: Self - Air Traffic Controller (segment "Mausson's Mission")

Enrique Kolbeck
В роли: Self - Air Traffic Controller (segment "Mausson's Mission")

Victor Quezada
В роли: Self - Centro Universatario Grupo Sol (segment "Mausson's Mission")

Antone Minard
В роли: Self - Department of Folklore, UCLA (segment "Highway 666")

Jones R. Begay
В роли: Self - Criminal Investigator, Navajo Police Department (segment "Highway 666")

Ralph Bennett Jr.
В роли: Self - Delegate, Navajo Nation Counsel (segment "Highway 666")

Ned Y. Begay Jr.
В роли: Self - Navajo Medicine Man (segment "Highway 666")

Bart Burns
В роли: Self - UFO Eyewitness (segment "Update: Silent Intruder")

Al Murray
В роли: Self - UFO Eyewitness (segment "Update: Silent Intruder")

Joe Fairbrother
В роли: Self - Producer, Sightings Online Services (segment "Sightings Online")